These factories will take every possible _________ to reduce pollution
A. mean
B. measured
C. measure
D. actions
关于溶液剂制备正确的叙述是()
A. 处方中含有糖浆等液体时,用少量水稀释后加入溶液剂中
B. 易挥发药物应先加入,以免放置过程中损失
C. 先将溶解度小的药物溶解于溶剂中,再加入其它药物使溶解
D. 如使用非水溶剂,容器应干燥
Waterfalls (瀑布) can be used to produce __________ power.
A. electric
B. electrics
C. alectric
D. alectrics
Can you come to the party to ________Jim’s graduation?
A. havecelebrated
B. celebrating
C. celebrate
D. celebrated